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Verified Pro

Build fix & Plaster

0 review(s)
Offers services in CAERNARFON
We have many years of experience working on extension projects of our own, or sub contracting onto other projects with our...

Celsius Home Improvements

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Offers services in CAERNARFON
Celsius Home Improvements are one of the largest home improvement companies in Merseyside and have more than 20 years of e...
Over 10 Reviews
Perfect Conservatories and Windows Ltd. based on the Wirral Peninsula have been providing high quality Windows, Doors, Con...

Sash Windows Wales

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Offers services in CAERNARFON
Peninsula are proud to be at the forefront of our industry; we are a forward-thinking company and are constantly evolving ...

Recent Window Installer Enquiries

03 Jan

Windows | uPVC

Caernarfon - LL55

Enquiry from: Rhiannon J

Start Date: Immediate

What best describes your living situation? - -. Are you the home owner of that property? - -. How many windows are you considering replacing? - -. What material do you require, UPVC? - -. What colour ...

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10 Dec

Windows | uPVC

Caernarfon - LL55

Enquiry from: Shirley B

Start Date: Immediate

Are you the home owner of that property? - -. How many windows are you considering replacing? - -. What material do you require, UPVC? - -. What colour do you want them to be? - -. Do you require door...

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04 Dec

Windows | uPVC

Caernarfon - LL55

Enquiry from: Arnold J

Start Date: Immediate

Are you the home owner of that property? - Yes. How many windows are you considering replacing? - 4. What material do you require, UPVC? - yes. What colour do you want them to be? - White. Do you requ...

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12 Nov

Windows | uPVC

Caernarfon - LL54

Enquiry from: Hellen B

Start Date: Immediate

Call anytime. Number of windows: 4 Quote requested on windows, in PVCu, to be supplied and fitted.

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31 Oct

Windows | uPVC

Caernarfon - LL55

Enquiry from: Anest G

Start Date: Immediate

Are you the home owner of that property? yes How many windows are you considering replacing? 4 What material do you require, UPVC? upvc What colour do you want them to be? White Do you require doors I...

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24 Oct

Windows | uPVC

Caernarfon - LL55

Enquiry from: Michael T

Start Date: Immediate

Customer made an online enquiry for replacement windows via one of our websites. Confirmed via /phone. 2+ windows Supply and install Please call to arrange an appointment to quote.

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11 Sep

Windows | uPVC

Caernarfon - LL54

Enquiry from: Gareth H

Start Date: Immediate

Are you the home owner of that property? - How many windows are you considering replacing? - What material do you require, UPVC? - What colour do you want them to be? - Do you require doors If so how ...

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09 Sep

Windows | uPVC

Caernarfon - LL54

Enquiry from: Andrew O

Start Date: Immediate

Are you the home owner of that property? - How many windows are you considering replacing? - What material do you require, UPVC? - What colour do you want them to be? - Do you require doors If so how ...

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27 Aug

Windows | uPVC

Caernarfon - LL55

Enquiry from: Nicola W

Start Date: Immediate

Are you the home owner of that property? yes How many windows are you considering replacing? 12 What material do you require, UPVC? upvc What colour do you want them to be? white Do you require doors ...

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22 Aug

Windows | uPVC

Caernarfon - LL55

Enquiry from: Richard E

Start Date: Immediate

Are you the home owner of that property? Yes How many windows are you considering replacing? 4/6 What material do you require, UPVC? UPVC What colour do you want them to be? White Do you require doors...

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22 Aug

Windows | uPVC

Caernarfon - LL54

Enquiry from: Paula W

Start Date: Immediate

are you the home owner of that property? yes how many windows are you considering replacing? 7 what material do you require, upvc? upvc what colour do you want them to be? white do you require doors i...

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18 Apr

Windows | Glazing

Caernarfon - LL55

Enquiry from: Gwern A

Start Date: Immediate

Call any time. Type of window / door: Window Glass replacement only: Yes Number of windows requiring repair: 1 Number of doors requiring repair: 0 Other repair required: no Quote requested...

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25 Mar

Windows | uPVC | Single Window

Caernarfon - LL55

Enquiry from: Heather Jones J

Start Date: Immediate

Are you the home owner of that property? / How many windows are you considering replacing? / What material do you require, UPVC? / What colour do you want them to be? / I assume you require them to be...

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13 Mar

Windows | uPVC

Caernarfon - LL55

Enquiry from: Anthony H

Start Date: Immediate

Quote on secondry window fir the front of property

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12 Mar

Windows | uPVC

Caernarfon - LL55

Enquiry from: Carol P

Start Date: Immediate

homeowner 2+ windows upvc supplied and fitted please call to appoint

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06 Mar

Windows | uPVC

Caernarfon - LL55

Enquiry from: Carol P

Start Date: Immediate

Are you the home owner of that property? yes How many windows are you considering replacing? FH What material do you require, UPVC? UPVC What colour do you want them to be? - Do you require doors If s...

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01 Dec

Windows | uPVC

Caernarfon - LL55

Enquiry from: Ieuan O

Start Date: Immediate

Are you the home owner of that property? - How many windows are you considering replacing? - What material do you require, UPVC? - What colour do you want them to be? - Do you require doors If so how ...

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28 Nov

Windows | uPVC

Caernarfon - LL54

Enquiry from: Lowri H

Start Date: Immediate

Are you the home owner of that property? Yes How many windows are you considering replacing? all What material do you require, UPVC? y What colour do you want them to be? any Do you require doors If s...

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24 Nov

Windows | uPVC

Caernarfon - LL54

Enquiry from: John R

Start Date: Immediate

Are you the home owner of that property? - How many windows are you considering replacing? - What material do you require, UPVC? - What colour do you want them to be? - Do you require doors If so how ...

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06 Nov

Windows | uPVC

Caernarfon - LL55

Enquiry from: Liz J

Start Date: Immediate

Are you the home owner of that property? - How many windows are you considering replacing? - What material do you require, UPVC? - What colour do you want them to be? - Do you require doors If so how ...

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How much do Window Installer services cost?

How much do Window Installers cost? Prices for Window Installers in 2025 can differ relying on the kind of task that you require to have performed in your house. It's the inquiry we get asked a whole lot "how much do Window Installers charge?". It's generally very good to have an idea of how much a Window Installer are going to likely charge for their services. Prices will probably rise and fall based upon the products and also the tradesman selected. The table reveals the sorts of service that Window Installers typically do and also the typical cost range of these jobs. Some tasks take longer to complete than others so prices do fluctuate by task.

View our Window Installer cost guide View our Window Installer advice

The average price
of a Window Installer in Caernarfon is:

£2,082

Window Installer job Window Installer cost in 2025
Double glazing in Caernarfon £1,500-£5,000
Upvc double glazing units only in Caernarfon £800-£1,200
Triple glazing in Caernarfon £1,500-£5,000
Aluminium windows in Caernarfon £1,875-£2,875
Wooden window in Caernarfon £3,750-£5,750
Aluminium windows supply only in Caernarfon £2,600-£3,900
Upvc or wood porch in Caernarfon £2,625-£4,025
Sash window in Caernarfon £1,800-£6,000
Glaziers in Caernarfon £57-£87
Secondary glazing in Caernarfon £1,500-£5,000
uPVC Single Window in Caernarfon £225-£345
Wooden sash windows in Caernarfon £3,750-£5,750
Wooden windows supply only in Caernarfon £2,760-£4,140
Aluminium repair in Caernarfon £240-£360
Window repair in Caernarfon £268-£402
Wooden window repair in Caernarfon £320-£480

Related Window Installer searches in Caernarfon

Window Installer FAQs

how much does a porch cost?

Are you interested in constructing a porch to your property? Estimating the cost of the project before proceeding will solve a lot of possible headaches in the future.

A porch is great place where you can keep your shoes, jackets, dog leads as well as other items to create free space within the property. Apart from this, a porch also serves numerous other purposes to make it a very good structure to have on your property. Not only is it a good means to put a roof over your head when it’s pouring with rain, but also a highly economical way to add floor space to your home. The question, however, how much would it cost to build a porch?

The price of building a porch is based on a wide variety of factors such as the type of materials required, the size of the porch, location of the structure and lots more. As a result, you should note that this guide provide figures that are only a rough guide that’ll put you on the right direction to make informed decisions.

Depending on the type of porch you choose to build, the average cost range from £1,900 to £2,100 for a uPVC porch and up to £10,000 for a lean to porch. There are other types of porch including the traditional porches ( Edwardian and Victorian porches) costing within a range of £2,500 to £8,400.

The materials required also has a great influence in determining the price of a porch. An aluminium porch will cost between £7,5000 to £8,200, while a brick porch will cost slightly less between the range of £2,000 to £8,000. They can both be constructed either as a front porch or as a rear porch, but due to fewer restrictions on aluminium porch, it can be made a lot larger.

Can you replace just one double glazed window?

Yes, of course! It’s common for people to replace just one double glazed window. One reason that people want to replace one window is that the sealed unit inside has failed. You’ll know if this has happened because you’ll be able to see condensation on the inside of glass, which gets frustrating because you can’t wipe it away. In this case, you can choose to simply replace the sealed unit or the entire frame, which you might want to do if it’s looking past its best.

When you’re replacing just one double glazed window, if you know the brand of your current windows you could ask your installer if they can source the same ones. This will help to keep them looking as similar as possible, although if your existing windows are very old you may notice some discolouration on the exterior compared to the new one, and locks and trickle vents might look different.

Replacing just one double glazed window shouldn’t take a qualified window fitter long, and could cost as little as £400. If you want to simply replace the sealed unit, that may only cost around £250. You could try to fit a new window yourself, but it’s worth bearing in mind that all replacement windows need to be certified that they’ve been installed to meet building regulations, so you’ll need to apply to your local building control officer who will come and inspect the work then issue a certificate. If you ask an installer who is registered with a self-certification scheme (like FENSA) to fit the window for you, they can issue the certificate themselves when they’ve finished the work.

how much are new windows?

Are you about to replace your old windows and wondering just how much it’ll cost to have a new one fitted? If yes, then you’ve come to the right place! The question is a very straight forward one, however a direct answer can not be provided as determining window prices for a replacement project can be a very tricky challenge. With a plethora of influencing factors that can play a key role in the price of both materials and labour to be used, it could be extremely hard for a window installer to provide a cost estimate without paying you a visit beforehand.

The factors that can go a long way in determining the price of your new window includes the size of the window, frame material, style chosen, your location, rates charged by the window installer (these rates can be different from an installer to an installer, so it’ll probably be in your best interest to compare quotes to identify the most competitive price) as well as the type of glass required.

Generally, for a small flat featuring four windows, the average cost for new windows would be between the range of £2,100 to £2,300. This range provided covers the cost of double glazed uPVC casement windows as well as the installation price. In the same tone, a home with up to 8 windows will have an average cost for window replacement between the range of £4,400 to £4,600, wile also taking into account the installation price. Whereas a house comprising 10 windows could begin at an average cost of window replacement between the the range of £5,200 to £5,500, and a 15 window home will be between the range of £8,400 to £8,600. it should be noted that the aforementioned figures only include the standard number of windows with a uPVC frame and the installation cost.

How much does one double glazed window cost?
How much one double glazed window costs is based on a few factors. If you just want to buy the window to install yourself, it will cost less than if you want an installer to fit it for you. If you want to simply buy one double glazed window without installation it could cost anywhere between £100-£300. That’s for a simple casement window, but other types like sash or tilt and turn windows could cost more. It’s recommended that you get a reputable installer to fit your double glazed windows because they’ve had the relevant training and will be able to install it much more quickly. How much it will cost for them to install one double glazed window will very based on your location, the type of window, how difficult the window is to access and whether you choose standard white uPVC or a coloured or woodgrain effect. An average uPVC casement window might cost somewhere between £300-£400, while a dual turn window might cost between £550-£660 to install. Do you really need to replace the entire window? If it’s just the double glazing that needs replacing, for example if it’s misted up inside, this will cost much less. Most window installers or a glazier will be able to just replace the sealed unit inside, and that may cost as little as £250. It’s always best to get a range of quotes from reputable companies so you know you’ve got a great price and you’re sure you’ll get excellent service.

how to fit a double glazed window?

Did you just purchase a double glazed window and confused about how to have it installed? Fitting the window yourself can be quite easy with the help of this step by step guide. However, if you lack proper training or experience, we’d recommend you reach out to a trustworthy professional who can guarantee the best results for help. That said, now let’s take a look at the process.

• Remove the old windows by detaching the old beading and glass window safely. Then make some interval cuts using a hand saw before using a crowbar to pry it out.

• Cut the external double glazed window seal. Once done, take a measurement of the window area’s width once empty. Then transfer the measurement to the window sil to face outside and cut using a handsaw.

• Seal the window sil. Add a bead of clear silicone along both inside lip as well as the centre to seal the sil.

• Screw the double glazed window to the sil. Position the window on the top of the lipped section that was siliconed. Then pre-drill them together and screw in three places. You should make sure the screws do not go totally to the sil’s bottom.

• Install the double glazed window. After successfully screwing the double glazed window to the sil, you can now fit in the double glazing. Make use of packers to make sure it’s even in the slot.

• Screw the uPVC window to the wall. If you’re happy and satisfied with the position of the window, you can then pre-drill through the frame of the window and the brick wall. Once done, simply screw it in place using masonry screws or Spax screw as they do not require crawl plugs in bricks.

• Seal around the window. To do this, simply fill any gaps with expanding foam, wipe out the excess and seal with silicone.

Are A-rated windows worthwhile?

On the grand scale of things there isn’t a huge difference between B-rated windows and A-rated windows. Consumer watchdog Which? have calculated an extra 6.5% would be saved on energy bills with A rather than B rated panes. Be aware that A rated windows are slightly more expensive, however.

Should I use a Fensa registered installer?

Using a Fensa registered installer isn’t compulsory but it helps to protect you from cowboys and rogue traders. It will also make life a whole lot easier in regards to Building Regulations. Replacement windows must meet a certain energy efficiency rating and once fitted you need a certificate to show your installation complies. By using a Fensa registered company they’ll issue this certificate, otherwise you’ll need the council to look at the new windows.

Can you repair blown double glazed windows?

You can only repair blown double glazed windows in the sense that you can replace the sealed unit (the glass part of the window) instead of having to replace the entire window.

When a double glazed window is blown, it means that the seal around the window has failed and is now letting air in and out. Often the first sign that the sealed unit has blown is condensation on the inside of the window, which is annoying since there’s no way to get rid of it! When your sealed unit has blown, you’ll be losing heat out of the window, meaning you could be spending more on your energy bills.

As a temporary fix, you could see if you can buy a misting repair kit online, but the condensation will eventually occur again as the air gets in. The best thing to do is ask a window installer or glazier to replace the sealed unit for you.

It's simple to replace the glass in a window – the specialist will remove the beading around the window, remove the blown glass from your window frame and set it to one side. They will then clean up around the frame before adding spacers in, then fitting the new sealed unit into the frame. They’ll make sure it’s a snug fit before replacing the beading back around the window to secure it.

There's no reason to put off repairing a blown double glazed window since the cost is generally much less than replacing the entire thing. A sealed unit with installation costs an average of £100, whereas a completely new window will cost around £400. You’ll soon notice that it’s less draughty and will be able see out of your window once you’ve had the blown glass replaced.

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